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Alex M.
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Alex M.

Web3 Engineer | DeFi | CeDeFi | Smart Contracts, dApps | Wallet

Web3 developer and blockchain architect specializing in smart contract development (Solidity), DeFi protocols, and trading bot systems. I build: smart contracts, DeFi/CeDeFi platforms, wallet integration, token-gated systems, trading bots, blockchain APIs, RollUp, Oracle, CrossChain Bridges. I consider: Security, Scalability, Cost, Decentralization, Performance, Tokenomics Tech: Solidity,Smart Contracts, Web3.js, Ethers.js, Node.js, TypeScript, Python, Ethereum, Polygon, Arweave, IPFS, gas fee, Familiar with : Bitcoin, Ethereum, Solana, Arbitrum, OP Stack, Base, Polygon, BSC, Tron, EOS, Fabric, Oracle, Chainlink, LayerZero, CCIP, Wormhole, AA wallet (Account Abstraction), DePIN, Recent work: CeDeFi institutional infrastructure, Web3 archival system with wallet auth, DePIN Layer 2 blockchain.

🇨🇳Xiamen, China$80/hr100% JSS5.00 (3)Since Feb 2026

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#239,195 / 412k
🇨🇳Country#1,020 / 2,007
Revenue, last 30 days
$0
Total earnings
$6k

Billed in all: $6.3k

World#239,195 / 412k
🇨🇳Country#1,020 / 2,007
Per project
$2k

$0 in the last 6 months

Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇨🇳Country#730 / 2,007
Projects in all
3
33% fixed67% hourly
World#304,140 / 412k
🇨🇳Country#1,397 / 2,007

Earnings, last 30 days

$6.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6.1k$6.2k$6.3k$6.4kOct 8Oct 23Nov 7

Skills